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Uncommon exoplanet 30 EP

Kepler-1185 b

RA 287.2412° · Dec 39.3327° · exoplanet

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Score breakdown

· 5 badges
30 pts · Uncommon
Uncommon 34 pts → Rare
  • Super-Earth +8
  • Orbits a Sun-like star +8
  • Distant (over 1,000 light-years) +6
  • Confirmed exoplanet +5
  • Found by Kepler +3
Total score 30

4 more points to reach Rare.

Badges

  • Confirmed exoplanet · +5
  • Distant (over 1,000 light-years) · +6
  • Super-Earth · +8
  • Found by Kepler · +3
  • Orbits a Sun-like star · +8

Trivia

What it actually is

  • What it is made of. Its density says rock, though lighter than Earth's mix: probably less iron, or a thick shell of water and ice over the top.

Sense of scale

  • In perspective. Far away by human standards, yet still a local address inside the Milky Way's spiral arms.

Find it in the sky

  • How to spot it. At magnitude 12.6 it is far too faint for the eye: this one belongs to cameras and long exposures.
  • Northern sky. It rides the northern half of the sky — an easier target the further north you are.
  • Best time of year. It stands highest in the middle of the night around July — that's when to go looking.

Could we get there?

  • Verdict. Impossible with our current technology — and the next millennium of it.

Getting there

  • Aboard Voyager 1. ≈ 26.3 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 2.3 million years even at the Parker Solar Probe's 192 km/s.

Properties

density gcc
5.44
diameter km
16965.746
discovery facility
Kepler
discovery method
Transit
discovery year
2016
dist ly
1497.9464
eccentricity
0
eq temp k
355
host star teff
5622
inclination
89.84
insolation
9.31
mag
12.63
mass earth
2.33
name
Kepler-1185 b
orbital period days
104.3519
radius earth
1.33
semi major au
0.4297
sys num planets
1
sys num stars
1

About Kepler-1185 b

Kepler-1185 b is an uncommon exoplanet. It lies about 1,497.9 light-years from Earth, shines at apparent magnitude 12.63, has an equilibrium temperature near 355 K and spans roughly 1.33 Earth radii.

Its density says rock, though lighter than Earth's mix: probably less iron, or a thick shell of water and ice over the top.

How to see it

At apparent magnitude 12.63, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, Kepler-1185 b is best seen from a dark site away from city lights, and when it is above the horizon depends on your latitude and the time of year. The visibility panel above works out tonight's viewing window for your saved location.

Why Kepler-1185 b is an uncommon exoplanet

Kepler-1185 b scores 30 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 4 points would lift it into a rarer tier.

That score comes from 5 science badges — Confirmed exoplanet, Distant (over 1,000 light-years), Super-Earth, Found by Kepler and Orbits a Sun-like star — each earned for a real, measurable property of the object. Rarity on Spacedle is never random: the more remarkable an object's astrophysics, the more badges it collects, the higher it scores, and the rarer it ranks.